I told one of my classes this semester about the availability of Class IIIb laser pointers (at a non-trivial cost) and their legal use for pointing out stars - and the serious risk of a felony conviction if they are misused.
Today I saw an article from the BBC about a police helicopter equipped specifically to detect, locate, and arrest persons who point such devices at aircraft that includes video of a demonstration. You can see the dangerous effect of the laser in an aircraft cockpit as well as the use of FLIR (infrared vision) to track the perpetrator. Side links to earlier articles indicate that misuse of these lasers has been a growing problem in the UK over the past year or so.
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